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Articles by M.Y. Memon
Total Records ( 4 ) for M.Y. Memon
  K.H. Shah , S.H. Siddiqui , M.Y. Memon , M. Aslam , M. Imtiaz and P. Khan
  Low native soil P availability coupled with poor recovery of added P has become one of the major constraints limiting the productivity of crops. A field study was, therefore, conducted to compare the relative significance of fertigation and different modes of broadcast method for utilization of P when applied at the rate of 100 kg ha-1 in wheat crop. Compared to broadcast method, P applied through fertigation in single split was effectively utilized in terms of producing significantly higher crop harvests, P uptake, P recovery and agronomic efficiency. Owing to superiority of fertigation over broadcast method, it is being introduced to farming community for economizing fertilizer P and obtaining better crop harvests.
  M. Imtiaz , B.J. Alloway , K.H. Shah , S.H. Siddiqui , M.Y. Memon , M. Aslam and P. Khan
  The study was carried out to assess the Zn contents of prominent domestic wheat varieties and the varieties collected from different countries. The study reveals that Zn concentrations in the seed of different genotypes ranged between 10.3 to 34.7 µg g-1. The highest Zn concentrations (34.7 µg g-1) were recorded in the seed of wheat cultivar Pirsabak from Pakistan whereas the lowest concentrations were found in Turkish variety CBWF-96-151. Zinc contents within seed of genotypes under study ranged between 0.40 µg/seed to 1.39 µg/seed.
  A.A. Khooharo , R.A. Memon , M.Y. Memon and M.U. Mallah
  Numerous companies have entered the pesticide market in Pakistan due to windfall profits and liberal policies of the government since 1980s, when new agriculture policy was announced and the import and sale of pesticides were shifted to private sector. Easy imports, low prices and availability of a variety of pesticides are the distinct advantages of liberal policies. On the other hand, sale of substandard pesticides is a common problem of farming community due to regulatory and institutional deficiencies. This study was conducted to evaluate and to redesign regulatory framework for monitoring of pesticides by Agriculture Extension in view of stakeholders` perceptions during 2003-04. Finding of the study revealed that during three years (2000-2002) 2190 samples were tested in provincial laboratories of Sindh and 268 (12%) were declared substandard. Out of 268, 150 FIRs (56%) were lodged and 86 (32%) cases were challenged in courts while only 47 (18%) cases were decided by the courts. Majority of the stakeholders including District Officers Agriculture (100%) and Sales Executives(63%) were not satisfied with the present monitoring system for pesticides. All the Pesticide Dealers interviewed were of the opinion that pesticide companies be named in FIR when samples are declared unfit by the laboratories, because they purchase sealed pesticides from pesticide companies.
  K.H. Shah , M.Y. Memon , S.H. Siddiqui , M. Imtiaz and M. Aslam
  Field investigations were carried out to evaluate the performance of two wheat genotypes when sprayed at different growth stages using 2, 4 and 6% urea solution. Compared to standard soil application, foliarly applied urea was betterly utilized by Soghat-90 and Sind-81. Irrespective of growth stages, foliage efficacy of urea was most prominent at 4% solution. Significantly higher crop harvests, N uptake and agronomic efficiency were recorded when both wheat cultivars were sprayed at tillering and heading stages. Grain protein content was improved by late season spraying with 6% urea solution.
 
 
 
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