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- 概述
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- 4.1 Overview
- 4.2 China's crop production
- 4.3 Pest and diseases monitoring
- 4.4 Major crops trade prospects
- 4.5 Outlook of domestic price of four major crops
- Northeast region
- Inner Mongolia
- Huanghuaihai
- Loess region
- Lower Yangtze region
- Southwest China
- Southern China
- 4.1 概述
- 4.2 中国大宗作物产量估算
- 4.3 病虫害状况
- 4.4 中国大宗粮油作物进出口形势
- 4.5 大宗作物价格预测
- 中国东北区
- 内蒙古及长城沿线区
- 黄淮海区
- 黄土高原区
- 长江中下游区
- 中国西南区
- 华南区
Authors: 超级管理员 | Edit: Miao
The period from April to July 2016 covers the harvest of the second (dry season) rice, the early stage of the main (wet season) rice, and the growing period of maize. Compared to the five-year average, crop condition before July was well below average since April. The CropWatch agroclimatic and agronomic indicators show that Cambodia enjoyed a minor increase in precipitation compared to average (RAIN, +7%), with average temperature (TEMP, -0.1°C). This resulted in a biomass production potential (BIOMSS) drop of 7%. Low vegetation condition indices (VCIx<0.5)occur scattered around Tonle Sap. Average VCIx reaches just 0.75 and thecropped arable land fraction (CALF) dropped by a spectacular 7% compared withthe previous five seasons. NDVI of most of the arable land (80%) presentscontinuous below average condition except for Kampong Chaam, Prey Veaeng, andsome other, scattered areas. Overall crop prospects for the country are very poor.
Figure3.19. Cambodia crop condition, April-July2016
(a)Crop condition development graph based on NDVI (b)Maximum VCI
(c)Spatial NDVI patterns compared to 5YA (d)NDVI profiles